Eudendrium capillare Alder, 1856

Synonyms in the area: Eudendrium tenue —Fraser 1938a, 1938b, 1939; Calder et al. 2003 [polyp]; Eudendrium ? capillare —Grohmann et al. 2008 [polyp].

Remarks: the record of Eudendrium ? capillare by Grohmann et al. (2008), for 22.37°S 41.75°W, is considered doubtful by the authors.

Distribution in South America: polyp—Pacific Ocean, Colombia, at 6.78°N 77.60°W in Octavia Bay, Ecuador, at 0.27°S 91.37°W in Isla Isabela, at 1.23°S 90.45°W in Isla Floreana (Fraser 1938a, 1938b; Calder et al. 2003); Atlantic Ocean, Colombia, at Santa Marta coast, Brazil, from 7.50°S to 9°S, from 11.40°S to 13.15°S, at 22.37°S 41.75°W, from 23.50°S to 24°S (Vannucci 1954; Maÿal 1973; Wedler 1975; Marques 1993; Kelmo & Santa Isabel 1998; Marques 2001; Migotto et al. 2002; Oliveira 2003; Oliveira et al. 2006; Oliveira & Marques 2007, 2011; Grohmann et al. 2008, abstract; Silveira & Morandini 2011; Miranda et al. 2015).

Habitat: polyp—from intertidal zone to 73m depth, on rock, barnacles, sponges, other hydroids, algae, and artificial substrate (Fraser 1938a, 1938b; Marques 1993; Kelmo & Santa Isabel 1998; Marques 2001; Calder et al. 2003; Oliveira 2003; Oliveira et al. 2006; Oliveira & Marques 2007, 2011).